Home / 107,835.20-161,731.20-51,675.20

Finding the Fourth Proportional to 107,835.20, 161,731.20 and 51,675.20

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Solution

The fourth proportional to 107,835.20, 161,731.20 and 51,675.20 is: 77,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.20 : 161,731.20 = 51,675.20 : x
  2. Step 2: Convert to fraction form
    107,835.20/161,731.20 = 51,675.20/x
  3. Step 3: Cross multiply
    107,835.20x = 161,731.20 × 51,675.20
  4. Step 4: Simplify right side
    107,835.20x = 8,357,492,106.24
  5. Step 5: Solve for x
    x = 8,357,492,106.24/107,835.20
  6. Step 6: Final answer
    x = 77,502.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.